Fig. 1.
Fos immunoreactivity in the dorsal lateral septum (A, B), and medial amygdala (D, E) 75 min after an acute defeat (B, n=5; E, n=5) or control (A, n=6; D, n=6) procedure. Dorsal LS and MeA panels are in the range of −0.26 to −0.30 and −2.80 to −3.14 mm from bregma, respectively. Bar graphs represent the mean (±SEM) number of Fos-positive cells per section per side in the dorsal lateral septum (C) and medial nucleus of the amygdala (F) after control (grey bars) or acute defeat (stripped bars) conditions. Selected Fos-positive cells are indicated with a black arrowhead. Symbols indicate significant difference between control and defeated rats: * P<0.05. Scale bar=100 μm. LV, lateral ventricle; gcc, genu of corpus callosum; iLS, intermediate part of the lateral septum; opt, optic tract.